Config class for liquibase

database-changelog.xml

<?xml version="1.0" encoding="UTF-8"?>
<databaseChangeLog
        xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
         http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.1.xsd">

</databaseChangeLog>

LiquibaseConfig.java

import liquibase.integration.spring.SpringLiquibase;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;
import org.springframework.util.Assert;

import javax.sql.DataSource;

@Configuration
public class LiquibaseConfig {

    private static final String DATABASE_CHANGELOG_FILE_PATH = "classpath:/database/changelog/database-changelog.xml";

    @Autowired
    private DataSource dataSource;

    @Autowired
    private ResourceLoader resourceLoader;

    @Bean
    public SpringLiquibase liquibase() {
        String changelogFile = DATABASE_CHANGELOG_FILE_PATH;
        Resource resource = resourceLoader.getResource(changelogFile);
        Assert.state(resource.exists(), "Unable to find file: " + resource.getFilename());

        SpringLiquibase liquibase = new SpringLiquibase();
        liquibase.setChangeLog(changelogFile);
        liquibase.setDataSource(dataSource);
        return liquibase;
    }
}